312328244 has 6 divisors (see below), whose sum is σ = 546574434. Its totient is φ = 156164120.

The previous prime is 312328229. The next prime is 312328279. The reversal of 312328244 is 442823213.

It can be written as a sum of positive squares in only one way, i.e., 200222500 + 112105744 = 14150^2 + 10588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39041027 + ... + 39041034.

It is an arithmetic number, because the mean of its divisors is an integer number (91095739).

Almost surely, 2^312328244 is an apocalyptic number.

It is an amenable number.

312328244 is a deficient number, since it is larger than the sum of its proper divisors (234246190).

312328244 is a wasteful number, since it uses less digits than its factorization.

312328244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78082065 (or 78082063 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 312328244 is about 17672.8108686762. The cubic root of 312328244 is about 678.4800566948.

The spelling of 312328244 in words is "three hundred twelve million, three hundred twenty-eight thousand, two hundred forty-four".